CVE-2026-91313 Oracle Corporation CVE debrief

Who should care

Administrators and security teams responsible for JD Edwards EnterpriseOne Tools systems, especially those using versions 9.2.0.0-9.2.26.4, should review and apply Oracle's security patches immediately. They should also restrict network access to JD Edwards EnterpriseOne Tools to only necessary personnel and systems and monitor JD Edwards EnterpriseOne Tools systems for suspicious activity. Additionally, they should confirm whether affected product exist.

Why it matters

CVE-2026-91313 is a high-severity vulnerability in JD Edwards EnterpriseOne Tools that allows unauthenticated attackers with network access via HTTP to potentially compromise the product. Administrators and security teams responsible for JD Edwards EnterpriseOne Tools systems, especially those using versions 9.2.0.0-9.2.26.4, should review and apply Oracle's security patches immediately.

• Potential takeover of JD Edwards EnterpriseOne Tools systems
• High severity vulnerability with CVSS score of 8.1
• Requires immediate attention for systems using affected versions

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools, tracked as CVE-2026-91313, allows unauthenticated attackers with network access via HTTP to potentially compromise the product. The CVSS score is 8.1 with high severity, indicating significant impacts on confidentiality, integrity, and availability. The vulnerability affects versions 9.2.0.0-9.2.26.4 and is difficult to exploit. Successful attacks can result in takeover of JD Edwards EnterpriseOne Tools. Administrators and security teams should review and apply Oracle's security patches immediately.

Defensive priority

High priority for systems using JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.4

Recommended defensive actions

• Review and apply Oracle's security patches for JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.4
• Restrict network access to JD Edwards EnterpriseOne Tools to only necessary personnel and systems
• Monitor JD Edwards EnterpriseOne Tools systems for suspicious activity
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in JD Edwards EnterpriseOne Tools. Oracle's security alert also provides information on the vulnerability. The evidence is limited, and defenders should verify the affected scope and severity. The vulnerability is confirmed to affect versions 9.2.0.0-9.2.26.4, but the full extent of the impact is not clear.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.